OSG - 3/8-16 UNC 3 Flute 3B Modified Bottoming Spiral Flute Tap - Powdered Metal, Oxide Finish, 2-15/16" OAL, Right Hand Flute, Right Hand Thread, H3, Series 313
Item #: 64182520
Brand: OSG
Model #: 1753001
Exact Tooling IR#: 04
Features and Benefits
Modified bottoming chamfers are similar to bottoming chamfers, but they are longer and have more teeth. They are used for threading blind holes and have 2 to 2-1/2 threads.
Powdered Metal (PM) is tougher and more cost effective than solid carbide. It is commonly used on highly abrasive materials including high silicon aluminums.
Oxide, also known as black oxide or steam oxide, is a surface treatment that prevents chip building, galling and welding on the workpiece. It is commonly used on low carbons, stainless steel and ferrous metals.
Slow Spiral Flutes with 8-20 degree angles are used for tough materials like high nickel alloys, titanium and some series of stainless steels.
| Product Specifications | |
|---|---|
| Thread Size (Inch) | 3/8-16 |
| Chamfer | Modified Bottoming |
| Class of Fit | 3B |
| Thread Limit | H3 |
| Number of Flutes | 3 |
| Material | Powdered Metal |
| Finish/Coating | Oxide |
| Thread Direction | Right Hand |
| Flute Direction | Right Hand |
| Through Coolant | NonThrough Coolant |
| Overall Length (Inch) | 2-15/16 |
| Helix Angle | 15 |
| Thread Standard | UNC |
| Oversize | No |
| Thread Length (Inch) | 1-1/4 |
| Flute Type | Slow Spiral |
| Series/List | 313 |
| Shank Diameter (Decimal Inch) | 0.3810 |
| Material Application | Alloy Steel; Die Steel; Hardened Steel; High Nickel Alloy; Stainless Steel; Titanium |
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